AMMONIATED SUPERPHOSPHATES. 



329 



m. 



Lawn-Dresser of Messrs. W. H. Bowker Sf Co., Boston, Mass. 



Per cent. 



Total phosphoric acid 

 Soluble « " 



Reduced " " 



Nitrogen 



Potassium oxide . 

 Moisture 



5.95 

 5.76 

 .19 

 8.91 

 4.50 

 5.40 



Valuation per ton of two thousand pounds : 

 115.2 pounds of soluble phosphoric acid 



$14.40 



.34 



13.50 



37.42 



$65.66 



IV. 



Valuation per ton of two thousand pounds 



$43.46 



V. 



Messrs. William L. Bradley §* Co.^s Ammoniated Superphosphate (XL). 

 (Messrs. J. & J. A. Rice of Worcester, Mass.) 



Total phosphoric acid 

 Soluble " " 



Reverted " " 



Insoluble « " 



Nitrogen 



Moisture at 100° C. 

 42 



Per cent. 



12.64 

 7.11 

 1.80 

 3.70 

 2.52 



19.30 



